alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET DELETED LDPinch Checkin Flowbit set"; flow:established,to_server; content:"POST"; http_method; content:"/gate.php"; nocase; http_uri; content:"application|2F|x-www-form-urlencoded|0D 0A|"; http_header; flowbits:set,ET.PINCH; flowbits:noalert; classtype:trojan-activity; sid:2008468; rev:4; metadata:created_at 2010_07_30, signature_severity Unknown, updated_at 2019_07_26;)